Document history for the AWS PCS User Guide
The following table describes the important changes to the documentation for AWS PCS.
| Date | Change | Documentation updates | API versions updated |
|---|---|---|---|
| November 18, 2025 | New feature: Slurm REST API |
Slurm REST API is now supported for Slurm 25.05 or later. For more information, see Slurm REST API in AWS PCS. |
AWS SDK: 2025-11-18 |
| November 10, 2025 | New feature: Slurm CLI filter plugin support |
AWS PCS now supports Slurm CLI filter plugins to run custom Lua scripts that validate and modify job submission parameters before they reach the Slurm controller. Use CLI filters to enforce custom policies, set default parameters, and provide user guidance during job submission. This feature requires Slurm version 25.05 or later. For more information, see Use Slurm CLI Filter Plugins to customize job submission in AWS PCS. |
N/A |
| November 7, 2025 | Updated PCS agent |
Updated the AMI topic for AWS PCS agent 1.3.1-1. For more information, see Software installers to build custom AMIs for AWS PCS and AWS PCS agent versions. |
N/A |
| November 3, 2025 | Updated PCS agent and Slurm installers |
Updated the AMI topic for AWS PCS agent 1.3.0-1 and Slurm installers 24.11.6-2, 24.05.8-2, and 23.11.10-4. Updated list of supported operating systems. For more information, see Software installers to build custom AMIs for AWS PCS and AWS PCS agent versions. |
N/A |
| October 23, 2025 | Updated content: pcs-multi-cluster-login-configure.sh |
Fixed some errors in the multi-cluster login node configuration script. For more information, see AWS PCS multi-cluster login node configuration script code. |
N/A |
| October 21, 2025 | New feature: Cluster secret rotation |
AWS PCS now supports cluster secret rotation to enhance security. For more information, see Rotating cluster secrets in AWS PCS. Updated minimum administrator permissions to support cluster secret rotation. For more information, see Minimum permissions for AWS PCS. |
N/A |
| October 17, 2025 | New topic: multi-cluster login node configuration script |
Added a new topic that provides a script to configure a standalone
login node to connect to multiple AWS PCS clusters. The script automates
the configuration of multiple Slurm For more information, see Connecting a standalone login node to multiple clusters in AWS PCS. |
N/A |
| October 16, 2025 | Updated for Slurm 25.05 |
Updated the user guide for Slurm 25.05 support. Slurm 25.05 is now the default version. For more information, see the following: |
N/A |
| October 16, 2025 | Updated PCS agent |
Updated the AMI topic for AWS PCS agent 1.2.2-1. For more information, see Software installers to build custom AMIs for AWS PCS and AWS PCS agent versions. |
N/A |
| October 2, 2025 | New features: Slurm node reboot, cluster updates, and custom Slurm settings |
AWS PCS adds support for multiple new features:
|
2025-10-01 |
| September 23, 2025 | New troubleshooting topic: Compute node bootstrap problems |
Added troubleshooting guidance for diagnosing and resolving compute node bootstrap issues. For more information, see Troubleshoot compute node bootstrap and registration problems in AWS PCS. |
N/A |
| September 17, 2025 | New feature: Capacity Blocks for ML |
AWS PCS now supports Amazon EC2 Capacity Blocks for ML, which enable you to reserve GPU-based accelerated computing instances for your clusters. For more information, see Using Amazon EC2 Capacity Blocks for ML with AWS PCS. Minimum permissions to support Capacity Blocks are now part of the minimum permissions for a service administrator. For more information, see Minimum permissions for AWS PCS. |
2025-09-17 |
| September 11, 2025 | AWS managed policy update |
AWS PCS updated the AWSPCSServiceRolePolicy to support Capacity Blocks. For more information, see AWS managed policies for AWS Parallel Computing Service. |
N/A |
| August 14, 2025 | Updated instance profile documentation |
Enhanced the instance profile documentation with comprehensive CLI instructions for creating IAM roles and instance profiles. Added step-by-step procedures for setting up instance profiles using the AWS CLI and improved guidance for finding instance profiles used with AWS PCS. For more information, see IAM instance profiles for AWS Parallel Computing Service. |
2025-08-14 |
| August 1, 2025 | New topic: SPANK plugins |
Added documentation for SPANK (Slurm Plug-in Architecture for Node and job Kontrol) plugins that you can use to extend and modify Slurm's behavior during job launch and execution on AWS PCS clusters. For more information, see Extend Slurm functionality on AWS PCS with SPANK plugins . |
N/A |
| August 1, 2025 | IPv6 networking support |
Added support for IPv6 networking when creating AWS PCS clusters. You can now choose IPv6 as the network type for your cluster, with corresponding updates to VPC requirements, subnet configuration, security group settings, and cluster creation procedures. For more information, see AWS PCS VPC and subnet requirements and considerations and Creating a cluster in AWS PCS. |
2025-08-01 |
| July 3, 2025 | AWS PCS released in Europe (London) |
AWS PCS is now available in Europe (London) (eu-west-2). CloudFormation templates are available to get started in the Europe (London) AWS Region. For more information, see Use CloudFormation to create a sample AWS PCS cluster and CloudFormation templates to create a sample AWS PCS cluster. |
N/A |
| July 1, 2025 | Updated console instructions |
You can now have AWS PCS create a basic instance profile and security group for you when you create a cluster and compute node group in the console. For more information, see: |
N/A |
| June 23, 2025 | New managed policy: AWSPCSComputeNodePolicy |
Added a new managed policy that grants permission to AWS PCS compute nodes to connect to AWS PCS clusters. For more information, see AWS managed policy: AWSPCSComputeNodePolicy . |
N/A |
| June 19, 2025 | New topic: job completion logs |
Use job completion logs to record details about jobs when they complete, at no additional cost. For more information, see Job completion logs in AWS PCS. |
N/A |
| June 18, 2025 | AWS PCS release in AWS GovCloud (US) |
AWS PCS is now available in AWS GovCloud (US-East) (us-gov-east-1) and AWS GovCloud (US-West) (us-gov-west-1). CloudFormation templates are available to get started in the AWS GovCloud (US) Regions. For more information, see Use CloudFormation to create a sample AWS PCS cluster and CloudFormation templates to create a sample AWS PCS cluster. For more information about the AWS PCS service endpoints in AWS GovCloud (US) Regions, see Endpoints and service quotas for AWS PCS. For more information about differences in AWS GovCloud (US) Regions, see AWS PCS in AWS GovCloud (US) in the AWS GovCloud (US) User Guide . |
N/A |
| June 18, 2025 | Updated PCS agent |
Updated the AMI topic for AWS PCS agent 1.2.1-1. For more information, see Software installers to build custom AMIs for AWS PCS. |
N/A |
| May 15, 2025 | New feature: accounting |
Slurm accounting is now supported for Slurm 24.11 or later. For more information, see Slurm accounting in AWS PCS. |
AWS SDK: 2025-05-15 |
| May 15, 2025 | Updated for Slurm 24.11 |
Updated the user guide for Slurm 24.11.5 support. For more information, see the following: |
N/A |
| May 5, 2025 | Updated Slurm versions FAQ |
Updated the Slurm versions frequently asked questions (FAQ) about Slurm versions nearing or beyond end of life (EOL). For more information, see Frequently asked questions about Slurm versions in AWS PCS. |
N/A |
| April 17, 2025 | New topic: how to get compute node group details |
Learn how to get details for an AWS PCS compute node group, such as its ID, ARN, and AMI ID. For more information, see Get compute node group details in AWS PCS. |
N/A |
| April 2, 2025 | Updated Slurm installer |
Updated the AMI topic for Slurm installer 24.05.7-1. For more information, see Software installers to build custom AMIs for AWS PCS. |
N/A |
| March 28, 2025 | Added quotas for maximum number of compute node groups and queues |
Added internal non-adjustable quotas for the maximum number of compute node groups per cluster and the maximum number of queues per cluster. For more information, see Internal quotas. |
N/A |
| March 14, 2025 | Changed a property key in the CloudFormation template |
|
N/A |
| March 13, 2025 | Added version information for the AWS PCS agent and Slurm |
Added a new topic that describes the changes for each version of the AWS PCS agent. For more information, see AWS PCS agent versions. Added more information to the Slurm versions topic that describes important support dates and detailed release notes for AWS PCS support for Slurm. For more information, see Slurm versions in AWS PCS. |
N/A |
| March 7, 2025 | Updated PCS agent |
Updated the AMI topic for AWS PCS agent 1.2.0-1. For more information, see Software installers to build custom AMIs for AWS PCS. |
N/A |
| February 3, 2025 | Added a topic about using AWS CloudFormation with AWS PCS |
Added a topic to the user guide that provides an example of how to use CloudFormation with AWS PCS. The topic provides a procedure to use a sample CloudFormation template to create the sample AWS PCS cluster, and briefly describes the sections of that template. For more information, see Get started with CloudFormation and AWS PCS. |
N/A |
| December 18, 2024 | Updated for Slurm 24.05 |
Updated the user guide for Slurm 24.05 support. For more information, see Software installers to build custom AMIs for AWS PCS and Release notes for AWS PCS sample AMIs. |
N/A |
| December 18, 2024 | Updated NVIDIA versions for Slurm 23.11 sample AMIs |
Updated NVIDIA driver and CUDA versions in the Slurm 23.11 sample AMIs. For more information, see Release notes for AWS PCS sample AMIs. |
N/A |
| December 17, 2024 | Updated Slurm installer |
Updated the AMI topic for Slurm installer 23.11.10-3. For more information, see Software installers to build custom AMIs for AWS PCS. |
N/A |
| December 13, 2024 | Updated PCS agent |
Updated the AMI topic for AWS PCS agent 1.1.1-1. For more information, see Software installers to build custom AMIs for AWS PCS. |
N/A |
| December 6, 2024 | Updated PCS agent and Slurm installer |
Updated the AMI topic for AWS PCS agent 1.1.0-1 and Slurm installer 23.11.10-2. For more information, see Software installers to build custom AMIs for AWS PCS. |
N/A |
| December 6, 2024 | Added a topic about OS support |
For more information, see Supported operating systems in AWS PCS. |
N/A |
| November 8, 2024 | Reorganized user guide |
We reorganized the user guide to bring topics to the top level, moved some topics to their own pages, and grouped similar topics together. |
N/A |
| November 7, 2024 | Updated AMI topics |
Updated the AMI topic for Slurm 23.11.10 and libjwt 17.0. For more information, see Software installers to build custom AMIs for AWS PCS and Step 3 – Install Slurm. Simplified and corrected the release notes for AMIs. For more information, see Release notes for AWS PCS sample AMIs. |
N/A |
| November 7, 2024 | Added a new topic about using encrypted EBS volumes with AWS PCS |
Added a topic that describes the KMS key policy required for encrypted EBS volumes in AWS PCS. For more information, see Required KMS key policy for use with encrypted EBS volumes in AWS PCS. |
N/A |
| October 18, 2024 | AWS PCS agent 1.0.1-1 released |
Updated AMI-related documentation to refer to AWS PCS agent version 1.0.1-1. For more information, see Software installers to build custom AMIs for AWS PCS and Step 2 – Install the AWS PCS agent. |
N/A |
| October 10, 2024 | Added a troubleshooting chapter |
Added a troubleshooting chapter with a topic about EC2 instances being automatically replaced after a reboot. For more information, see Troubleshooting problems in AWS Parallel Computing Service. |
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| September 23, 2024 | Updated the minimum permissions to use API actions and for a service administrator |
The |
N/A |
| September 5, 2024 | Updated the example IAM policy for the minimum permissions for a service administrator |
For more information, see Minimum permissions for a service administrator. |
N/A |
| September 5, 2024 | Added a missing permission to the JSON in the managed policies page |
This was a correction to the documentation only. The actual managed policy wasn't changed. For more information, see AWS managed policies for AWS Parallel Computing Service. |
N/A |
| August 28, 2024 | Managed policies page added |
For more information, see AWS managed policies for AWS Parallel Computing Service. |
N/A |
| August 28, 2024 | AWS PCS release | Initial release of the AWS PCS user guide. | AWS SDK: 2024-08-28 |
